diff options
Diffstat (limited to 'gdb/symfile.c')
| -rw-r--r-- | gdb/symfile.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/gdb/symfile.c b/gdb/symfile.c index aa53415..9cbd6e5 100644 --- a/gdb/symfile.c +++ b/gdb/symfile.c @@ -2587,6 +2587,9 @@ reread_symbols (void) /* Free the obstacks for non-reusable objfiles. */ psymbol_bcache_free (objfile->psymbol_cache); objfile->psymbol_cache = psymbol_bcache_init (); + + /* NB: after this call to obstack_free, objfiles_changed + will need to be called (see discussion below). */ obstack_free (&objfile->objfile_obstack, 0); objfile->sections = NULL; objfile->compunit_symtabs = NULL; @@ -2639,6 +2642,23 @@ reread_symbols (void) clear_complaints (&symfile_complaints, 1, 1); objfile->flags &= ~OBJF_PSYMTABS_READ; + + /* We are about to read new symbols and potentially also + DWARF information. Some targets may want to pass addresses + read from DWARF DIE's through an adjustment function before + saving them, like MIPS, which may call into + "find_pc_section". When called, that function will make + use of per-objfile program space data. + + Since we discarded our section information above, we have + dangling pointers in the per-objfile program space data + structure. Force GDB to update the section mapping + information by letting it know the objfile has changed, + making the dangling pointers point to correct data + again. */ + + objfiles_changed (); + read_symbols (objfile, 0); if (!objfile_has_symbols (objfile)) @@ -2671,9 +2691,6 @@ reread_symbols (void) if (!new_objfiles.empty ()) { - /* Notify objfiles that we've modified objfile sections. */ - objfiles_changed (); - clear_symtab_users (0); /* clear_objfile_data for each objfile was called before freeing it and |